CupertinoButton

CupertinoButton(
  child: Text('Click'),
  disabledColor: Colors.blueGrey, //不可点击时按钮颜色，color属性不设置该值无效
  onPressed: null, // onPressed为null视为不可点击
),
CupertinoButton(
  child: Text('Click'),
  color: Colors.lightBlue,
  disabledColor: Colors.blueGrey, //不可点击时按钮颜色，color属性不设置该值无效
  onPressed: null, // onPressed为null视为不可点击
),
CupertinoButton(
  child: Text('Click'),
  color: Colors.lightBlue, // 按钮颜色
  borderRadius: BorderRadius.all(Radius.circular(15.0)), // 按钮圆角设置
  onPressed: () { // onPressed不为null视为可点击
    print('You click the button');
  },
)